House Extension Drawings in Redbridge

Which Redbridge postcodes does this house extension service cover?

Redbridge district by district: what each one is built from, and where a house extension application originating there gets validated. The pound columns carry 2026 statutory England planning fees, and nothing in them is a design or construction figure.

What changes about a house extension in each part of Redbridge?

Pitch, wall build-up and plot depth vary between one Redbridge road and the next, and between them they set the size and shape an extension can realistically take.

• Wanstead (E11) — Edwardian villas, 1930s semi-detached defines Wanstead, where edwardian villas, 1930s semi-detached set what a house extension can do. Edwardian plots here are wider across E11. Any Wanstead house extension is validated by Redbridge Council, with Wanstead Park the usual Wanstead reference point on the site plan.
• South Woodford (E18) — a house extension in South Woodford starts from edwardian villas, 1930s semi-detached, and South Woodford reads as Edwardian villas, 1930s semi-detached. Edwardian plots here are wider in E18. Redbridge Council assesses South Woodford house extensions against its own South Woodford character guidance, and the location plan we draw for South Woodford references South Woodford Tube.
• Woodford Green (IG8) — house extension work in Woodford Green means 1930s semi-detached, edwardian villas. Woodford Green is 1930s semi-detached, Edwardian villas. Edwardian plots here are wider throughout IG8. Redbridge Council decides the Woodford Green application, and Woodford Green anchors the Woodford Green location plan.
• Ilford (IG1) — house extension work in Ilford means edwardian terraces, post-war flats. Ilford is post-war centre, Edwardian residential. Edwardian plots here are wider throughout IG1. Redbridge Council decides the Ilford application, and Ilford High Road anchors the Ilford location plan.
• Barkingside (IG6) — a house extension in Barkingside starts from 1930s semi-detached, and Barkingside reads as 1930s semi-detached. 1930s semis here have the deepest rear gardens in the area in IG6. Redbridge Council assesses Barkingside house extensions against its own Barkingside character guidance, and the location plan we draw for Barkingside references Barkingside High Street.
• Gants Hill (IG2) — house extension work in Gants Hill means 1930s semi-detached. Gants Hill is 1930s semi-detached. 1930s semis here have the deepest rear gardens in the area throughout IG2. Redbridge Council decides the Gants Hill application, and Gants Hill Tube anchors the Gants Hill location plan.
• Snaresbrook (E11) — a house extension in Snaresbrook starts from edwardian villas, and Snaresbrook reads as Edwardian villas, conservation. Edwardian plots here are wider in E11. Redbridge Council assesses Snaresbrook house extensions against its own Snaresbrook character guidance, and the location plan we draw for Snaresbrook references Snaresbrook station.

How do conservation areas and Article 4 affect a house extension in Redbridge?

Redbridge has 14 conservation designations. Snaresbrook, Aldersbrook and Woodford Green are among those we work in. Inside a designation the permitted development route disappears: an extension then needs a £548 householder application on an eight-week clock, in place of the £249 prior approval route that runs in six. Wanstead Village is the designation that most often changes the design of an extension we are asked to draw in this borough.

Redbridge permitted development status: there is no borough-wide direction from Redbridge Council, so a house extension at a E18 address is normally still permitted development. We certify that with a £274 Lawful Development Certificate rather than leaving a Redbridge sale to argue it later.

What Redbridge is built from: 1930s semi-detached dominates outer Redbridge; Edwardian terraces and villas in Wanstead and South Woodford; post-war estates in Ilford central. Outer London suburban; permitted development used heavily for loft conversions and single-storey rear extensions. That mix decides the house extension route in Redbridge more than the postcode does, and it is what a Redbridge Council case officer reads first. A householder application costs £548 paid to Redbridge Council direct, with 8 weeks to a decision once validated.

What happens if a Redbridge property sits on a boundary?

• Waltham Forest — the Waltham Forest boundary runs against Redbridge, so a house extension a street from Redbridge is decided by Waltham Forest Council instead. Waltham Forest runs 17 conservation areas across E4 and its neighbours, which is why house extensions priced for Redbridge are re-checked against Waltham Forest policy whenever the Redbridge address sits on that edge.
• Havering — adjoining Redbridge, with 15 conservation areas centred on RM1. A house extension on the far side of the Redbridge line is determined by Havering Council, so the Redbridge quote for house extensions is checked against Havering guidance before it is issued.
• Barking and Dagenham — cross the Redbridge boundary and Barking and Dagenham Council takes the house extension instead, applying 9 conservation areas of its own around IG11. We re-price house extensions at the Redbridge edge because Barking and Dagenham policy and Redbridge policy rarely align on house extension depth.
• Newham — the Newham boundary runs against Redbridge, so a house extension a street from Redbridge is decided by Newham Council instead. Newham runs 10 conservation areas across E6 and its neighbours, which is why house extensions priced for Redbridge are re-checked against Newham policy whenever the Redbridge address sits on that edge.

Sources for this Redbridge house extension page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.